{"id":"https://openalex.org/W4327814720","doi":"https://doi.org/10.1145/3588437","title":"Almost-Optimal Deterministic Treasure Hunt in Unweighted Graphs","display_name":"Almost-Optimal Deterministic Treasure Hunt in Unweighted Graphs","publication_year":2023,"publication_date":"2023-03-18","ids":{"openalex":"https://openalex.org/W4327814720","doi":"https://doi.org/10.1145/3588437"},"language":"en","primary_location":{"id":"doi:10.1145/3588437","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3588437","pdf_url":null,"source":{"id":"https://openalex.org/S137348503","display_name":"ACM Transactions on Algorithms","issn_l":"1549-6325","issn":["1549-6325","1549-6333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Algorithms","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014422267","display_name":"S\u00e9bastien Bouchard","orcid":"https://orcid.org/0000-0002-6464-9517"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I15057530","display_name":"Universit\u00e9 de Bordeaux","ror":"https://ror.org/057qpr032","country_code":"FR","type":"education","lineage":["https://openalex.org/I15057530"]},{"id":"https://openalex.org/I4210142254","display_name":"Laboratoire Bordelais de Recherche en Informatique","ror":"https://ror.org/03adqg323","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I15057530","https://openalex.org/I4210142254","https://openalex.org/I4210159245","https://openalex.org/I4210160189"]},{"id":"https://openalex.org/I4210160189","display_name":"Institut Polytechnique de Bordeaux","ror":"https://ror.org/054qv7y42","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210160189"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"S\u00e9bastien Bouchard","raw_affiliation_strings":["Universit\u00e9 de Bordeaux, Bordeaux INP, CNRS, LaBRI, Bordeaux, France"],"raw_orcid":"https://orcid.org/0000-0002-6464-9517","affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Bordeaux, Bordeaux INP, CNRS, LaBRI, Bordeaux, France","institution_ids":["https://openalex.org/I15057530","https://openalex.org/I1294671590","https://openalex.org/I4210160189","https://openalex.org/I4210142254"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036192968","display_name":"Yoann Dieudonn\u00e9","orcid":"https://orcid.org/0000-0002-9593-7802"},"institutions":[{"id":"https://openalex.org/I4647051","display_name":"Universit\u00e9 de Picardie Jules Verne","ror":"https://ror.org/01gyxrk03","country_code":"FR","type":"education","lineage":["https://openalex.org/I4647051"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Yoann Dieudonn\u00e9","raw_affiliation_strings":["Universit\u00e9 de Picardie Jules Verne, Amiens, France"],"raw_orcid":"https://orcid.org/0000-0002-9593-7802","affiliations":[{"raw_affiliation_string":"Universit\u00e9 de Picardie Jules Verne, Amiens, France","institution_ids":["https://openalex.org/I4647051"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038247454","display_name":"Arnaud Labourel","orcid":"https://orcid.org/0000-0003-0162-1899"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I143002897","display_name":"Universit\u00e9 de Toulon","ror":"https://ror.org/02m9kbe37","country_code":"FR","type":"education","lineage":["https://openalex.org/I143002897"]},{"id":"https://openalex.org/I21491767","display_name":"Aix-Marseille Universit\u00e9","ror":"https://ror.org/035xkbk20","country_code":"FR","type":"education","lineage":["https://openalex.org/I21491767"]},{"id":"https://openalex.org/I4210114274","display_name":"Laboratoire d\u2019Informatique et Syst\u00e8mes","ror":"https://ror.org/0257sgk90","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I143002897","https://openalex.org/I21491767","https://openalex.org/I4210114274"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Arnaud Labourel","raw_affiliation_strings":["Aix Marseille Universit\u00e9, Universit\u00e9 de Toulon, CNRS, LIS, Marseille, France"],"raw_orcid":"https://orcid.org/0000-0003-0162-1899","affiliations":[{"raw_affiliation_string":"Aix Marseille Universit\u00e9, Universit\u00e9 de Toulon, CNRS, LIS, Marseille, France","institution_ids":["https://openalex.org/I143002897","https://openalex.org/I21491767","https://openalex.org/I4210114274","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102714160","display_name":"Andrzej Pelc","orcid":"https://orcid.org/0000-0003-0598-1218"},"institutions":[{"id":"https://openalex.org/I33217400","display_name":"Universit\u00e9 du Qu\u00e9bec en Outaouais","ror":"https://ror.org/011pqxa69","country_code":"CA","type":"education","lineage":["https://openalex.org/I33217400","https://openalex.org/I49663120"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Andrzej Pelc","raw_affiliation_strings":["Universit\u00e9 du Qu\u00e9bec en Outaouais, Gatineau, Qu\u00e9bec, Canada"],"raw_orcid":"https://orcid.org/0000-0003-0598-1218","affiliations":[{"raw_affiliation_string":"Universit\u00e9 du Qu\u00e9bec en Outaouais, Gatineau, Qu\u00e9bec, Canada","institution_ids":["https://openalex.org/I33217400"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5014422267"],"corresponding_institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I15057530","https://openalex.org/I4210142254","https://openalex.org/I4210160189"],"apc_list":null,"apc_paid":null,"fwci":0.3894,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.58485726,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"19","issue":"3","first_page":"1","last_page":"32"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12288","display_name":"Optimization and Search Problems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10374","display_name":"Advanced Graph Theory Research","score":0.9908000230789185,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/treasure","display_name":"Treasure","score":0.9584195017814636},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.7289863228797913},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.6003997921943665},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.4823698103427887},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.45874080061912537},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.43582719564437866},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37194162607192993},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.32235056161880493}],"concepts":[{"id":"https://openalex.org/C2776084483","wikidata":"https://www.wikidata.org/wiki/Q272937","display_name":"Treasure","level":2,"score":0.9584195017814636},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.7289863228797913},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6003997921943665},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.4823698103427887},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.45874080061912537},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.43582719564437866},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37194162607192993},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.32235056161880493},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C27206212","wikidata":"https://www.wikidata.org/wiki/Q34178","display_name":"Theology","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/3588437","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3588437","pdf_url":null,"source":{"id":"https://openalex.org/S137348503","display_name":"ACM Transactions on Algorithms","issn_l":"1549-6325","issn":["1549-6325","1549-6333"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Algorithms","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-04122270v1","is_oa":false,"landing_page_url":"https://hal.science/hal-04122270","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ACM Transactions on Algorithms, 2023, 19 (3), pp.1-32. &#x27E8;10.1145/3588437&#x27E9;","raw_type":"Journal articles"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W136782164","https://openalex.org/W149018031","https://openalex.org/W599153350","https://openalex.org/W1501957312","https://openalex.org/W1965155276","https://openalex.org/W1975581626","https://openalex.org/W1989793404","https://openalex.org/W1990654078","https://openalex.org/W1993937615","https://openalex.org/W1995434882","https://openalex.org/W2019729116","https://openalex.org/W2020391710","https://openalex.org/W2025158214","https://openalex.org/W2027689366","https://openalex.org/W2033124907","https://openalex.org/W2050661091","https://openalex.org/W2084717646","https://openalex.org/W2085216434","https://openalex.org/W2093020477","https://openalex.org/W2114858735","https://openalex.org/W2149735608","https://openalex.org/W2240416680","https://openalex.org/W2566604313","https://openalex.org/W2582579716","https://openalex.org/W2963135519","https://openalex.org/W3031581840","https://openalex.org/W3095950766","https://openalex.org/W4255880091"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2492411721","https://openalex.org/W2223042459","https://openalex.org/W369913426","https://openalex.org/W2360017572","https://openalex.org/W4248194279","https://openalex.org/W1984795823","https://openalex.org/W1504426902","https://openalex.org/W2476851620","https://openalex.org/W4285698275"],"abstract_inverted_index":{"A":[0],"mobile":[1],"agent":[2,38,77,103,163,253],"navigating":[3],"along":[4],"edges":[5,187],"of":[6,27,44,47,50,54,62,71,121,143,158,186,251],"a":[7,41,63,98,105,215,219,236],"simple":[8],"connected":[9],"unweighted":[10],"graph,":[11,46,145],"either":[12],"finite":[13,95],"or":[14,53],"countably":[15],"infinite,":[16],"has":[17,39,104],"to":[18,58,152,164,213,264,268],"find":[19,214],"an":[20],"inert":[21],"target":[22],"(treasure)":[23],"hidden":[24,217],"in":[25,97,218,230,242,270],"one":[26,191],"the":[28,45,48,51,55,68,76,80,102,114,122,141,144,147,162,184,243,249,252,271,281,287],"nodes.":[29],"This":[30],"task":[31],"is":[32,67,124,146,193,211],"known":[33],"as":[34],"treasure":[35,64,92,216,238,295],"hunt.":[36],"The":[37,60,119,156],"no":[40,294],"priori":[42],"knowledge":[43],"location":[49],"treasure,":[52],"initial":[56],"distance":[57,149,195,222],"it.":[59],"cost":[61,227,255,300],"hunt":[65,93,239,296],"algorithm":[66,240,267,297],"worst-case":[69],"number":[70,185],"edge":[72,171],"traversals":[73,172],"performed":[74],"by":[75],"until":[78],"finding":[79],"treasure.":[81],"Awerbuch":[82,202,274],"et":[83,203,275],"al.":[84,204,276],"[":[85,205,277],"3":[86,206,278],"]":[87,207,279],"considered":[88],"graph":[89],"exploration":[90],"and":[91,260,308],"for":[94,131,305],"graphs":[96],"restricted":[99],"model":[100,244,272],"where":[101,137],"fuel":[106],"tank":[107,123,157],"that":[108,209,293],"can":[109,298],"be":[110,183],"replenished":[111],"only":[112],"at":[113,166,177,189,194,221,223,226,254],"starting":[115],"node":[116,178,220],"s":[117,151,179,200],".":[118,180,201,232],"size":[120,159],"B":[125,160,169],"=":[126],"2":[127],"(1+\u03b1)":[128],"r":[129,138],",":[130,139],"some":[132],"positive":[133],"real":[134],"constant":[135],"\u03b1,":[136],"called":[140],"radius":[142],"maximum":[148],"from":[150,199,273],"any":[153,246],"other":[154],"node.":[155],"allows":[161],"make":[165],"most":[167,224],"\u230a":[168],"\u230b":[170],"between":[173],"two":[174],"consecutive":[175],"visits":[176],"Let":[181],"e(d)":[182,231,303],"whose":[188],"least":[190],"endpoint":[192],"less":[196],"than":[197],"d":[198,225,258],"conjectured":[208],"it":[210],"impossible":[212],"nearly":[228],"linear":[229],"We":[233,291],"first":[234],"design":[235],"deterministic":[237],"working":[241],"without":[245],"restrictions":[247],"on":[248],"moves":[250],"\ud835\udcaa(e(d)":[256],"log":[257],")":[259,304],"then":[261],"show":[262],"how":[263],"modify":[265],"this":[266],"work":[269],"with":[280],"same":[282],"complexity.":[283],"Thus,":[284],"we":[285],"refute":[286],"preceding":[288],"20-year-old":[289],"conjecture.":[290],"observe":[292],"beat":[299],"\u0398":[301],"(":[302],"all":[306],"graphs,":[307],"thus":[309],"our":[310],"algorithms":[311],"are":[312],"also":[313],"almost":[314],"optimal.":[315]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-05-07T13:39:58.223016","created_date":"2025-10-10T00:00:00"}
